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olasank [31]
3 years ago
11

This energy source also provides us with products such as ink, eyeglasses, and tires.

Biology
1 answer:
Sloan [31]3 years ago
4 0

Answer:

The correct answer is option B. "crude oil".

Explanation:

Crude oil was one of the first energy sources used for the production of electricity. Besides of its use as energy source, crude oil provides us with products such as ink, eyeglasses, and tires. Lower crude oil is used for some inks used for printing purposes; eyeglasses and sunglasses are considered petroleum based products for its need of crude oil; and crude oil is the primary raw material for the manufacturing of tires.

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Answer:

0.5

Explanation:

According to Hardy-Weinberg equilibrium p2+2pq+q2=1 (p+q=1)

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In the example above 80 chickens have bare legs (ff)-recessive homozygous which means that the frequency of that genotype is 80/240+80=0.25 (q2), frequency of the recessive allele is\sqrt{0.25}=0.5. This means that the frequency of the dominant allele (p) is 1-0.5=0.5

So, the frequency of the heterozygous genotype (2pq) is 2*0.5*0.5=0.5

The frequency of the dominant homozygous genotype is p2=0.25

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